CVE-2015-1328

CVE-2015-1328 affects the Linux kernel overlayfs by failing to properly check permissions for file creation in the upperdir when overlayfs is allowed in an arbitrary mount namespace. This enables local users to escalate to root on systems with overlayfs and user namespaces enabled, notably Ubuntu...

CVE-2019-12819

CVE-2019-12819 affects the Linux kernel (pre-5.0) where __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), triggering a fixed_mdio_bus_init use-after-free and resulting in a denial of service. The connected Nessus/OpenVAS entries replicate this description and note local explo...

CVE-2021-33200

CVE-2021-33200 affects the Linux kernel’s eBPF verifier (kernel/bpf/verifier.c) where incorrect limits for pointer arithmetic operations allow out-of-bounds reads/writes in kernel memory, enabling local privilege escalation to root. The issue exists in kernels up to 5.12.7 (upstream). The root ca...

CVE-2019-11599

CVE-2019-11599 is a race-condition vulnerability in the Linux kernel’s core dump path that can leak data or cause DoS due to missing locking around vma layout/flags while core dumps run. Affected components include fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverb...

CVE-2019-14896

CVE-2019-14896 concerns a heap-based (and stack) overflow in the Marvell Libertus/Marvell network driver within the Linux kernel (lbs_ibss_join_existing path per initial doc; add_ie_rates in libertas CFG.c per IBM bulletin). Exploitation could enable remote code execution or cause a denial of ser...

CVE-2019-20811

CVE-2019-20811 affects the Linux kernel prior to 5.0.6, where a reference count is mishandled in rx_queue_add_kobject() and netdev_queue_add_kobject() within net/core/net-sysfs.c (CID-a3e23f719f5c). The issue was fixed in kernel 5.0.6 (ChangeLog-5.0.6). Exploitation would require local access and...

CVE-2020-12653

CVE-2020-12653 affects the Linux kernel prior to 5.5.4, caused by an incorrect memcpy in the mwifiex_cmd_append_vsie_tlv() function (drivers/net/wireless/marvell/mwifiex/scan.c). This enables a local attacker to gain elevated privileges or cause a denial of service due to a buffer overflow. Conne...

CVE-2021-3653

The CVE-2021-3653 issue affects the KVM hypervisor AMD code dealing with SVM nested virtualization. The root cause is improper validation of the int_ctl field in the VMCB provided by an L1 guest, which could allow a malicious L1 to enable AVIC for an L2 guest. Consequences stated across connected...

CVE-2022-36879

CVE-2022-36879 affects the Linux kernel: a flaw in xfrm_policy handling (xfrm_expand_policies) can cause a refcount to be dropped twice in net/xfrm/xfrm_policy.c. This is a local vulnerability with an availability impact (as per CVSS: 5.5, MEDIUM). The issue exists through kernel versions up to 5...

CVE-2019-19319

CVE-2019-19319 : In the Linux kernel prior to 5.2, a setxattr operation following a mount of a crafted ext4 image can trigger a slab-out-of-bounds write via ext4_xattr_set_entry use-after-free when a large old_size is used in memset in fs/ext4/xattr.c. This is an information disclosure/DoS risk p...

CVE-2020-10768

CVE-2020-10768 affects the Linux kernel prior to 5.8-rc1, where prctl() can re-enable indirect branch speculation after it has been disabled, enabling Spectre v2-style disclosure. The vulnerability has Local attack vector and primarily impacts confidentiality; no exploitation details are provided...

CVE-2020-12351

CVE-2020-12351 corresponds to the Linux kernel Bluetooth vulnerability known as BleedingTooth. Exploitation involves Bluetooth L2CAP and related memory handling, with PoCs showing remote code execution from a nearby attacker. Root causes cited in public exploit data include a type-confusion error...

CVE-2021-3348

CVE-2021-3348 is a race condition in the Linux kernel’s nbd.c driver (ndb_queue_rq) that can trigger a use-after-free during NBD device setup. The vulnerability is locally exploitable by a user with access to an NBD device, potentially causing a crash or memory corruption and, per Debian’s adviso...

CVE-2022-1016

The CVE-2022-1016 entry is confirmed to affect the Linux kernel, specifically the nf_tables_core.c component (function nft_do_chain). The flaw is a use-after-free that can lead to a kernel information leak when a local, unprivileged attacker triggers the condition. Connected sources (Astra Linux ...

CVE-2023-52451

CVE-2023-52451 affects the Linux kernel on POWER architectures, where a bounds check oversight in pseries hot-add/hot-remove memory logic allowed potential out-of-bounds access in the drmem lmb array when a DRC index lookup failed. The issue manifested as a dereference of a cursor pointing past t...

CVE-2021-46911

CVE-2021-46911 affects the Linux kernel’s ch_ktls path. The issue was caused by taking the page refcount during skb transmit, which could trigger kernel panics. The documented fix replaces this with taking the tx_ctx lock for the complete skb transmit, preventing page cleanup if an ACK is receive...

CVE-2022-42896

CVE-2022-42896 affects the Linux kernel, specifically use-after-free in net/bluetooth/l2cap_core.c (l2cap_connect and l2cap_le_connect_req). A remote Bluetooth proximity attacker could trigger code execution or leak kernel memory. A fix is available by upgrading past the commit 711f8c3fb3db618970...

CVE-2020-25641

CVE-2020-25641 affects the Linux kernel biovecs implementation in the block layer. A zero-length biovec request can cause the kernel to enter an infinite loop, leading to a local denial of service and availability impact. The vulnerability is exploitable by a local attacker with basic privileges ...

CVE-2020-36158

CVE-2020-36158 is a Linux kernel vulnerability in the Marvell mwifiex WiFi driver (join.c) that allows a long SSID to trigger a buffer overflow, potentially leading to system crash or arbitrary code execution. Affected trees include kernels up to 5.10.4; upstream patch (commit 5c455c5ab332) adds ...

CVE-2021-42739

CVE-2021-42739 is a heap/buffer overflow in the Linux kernel’s FireWire FireDTV driver (firedtv-avc.c, firedtv-ci.c) caused by avc_ca_pmt failing to perform proper bounds checking. It affects the kernel’s FireWire path and can lead to memory corruption, crashes, or potentially privilege escalatio...

CVE-2020-10690

The CVE-2020-10690 entry affects Linux kernel versions before 5.5. It is caused by a race between the release of ptp_clock and the cdev during resource deallocation, which can free the cdev structure while a high-privileged process holding /dev/ptpX is sleeping. When the underlying device is remo...

CVE-2021-3573

CVE-2021-3573 is a local-use-after-free vulnerability in the Linux kernel Bluetooth HCI subsystem (function hci_sock_bound_ioctl) where a race between ioct HCIUNBLOCKADDR and hci_unregister_dev() and calls such as hci_sock_blacklist_add()/del(), hci_get_conn_info(), and hci_get_auth_info() can le...

CVE-2019-18282

CVE-2019-18282 affects the Linux kernel flow_dissector (Linux 4.3–5.x up to 5.3.10). The root cause is that UDP/IPv6 flow labels rely on a 32-bit hashrnd secret, with jhash used instead of siphash, allowing an attacker to infer the secret and track flows. Affected code includes net/core/flow_diss...

CVE-2016-0728

The CVE-2016-0728 issue affects the Linux kernel up to version 4.4.1, specifically in the keyring handling path join_session_keyring() within security/keys/process_keys.c. A flaw in object reference management in an error path can allow a local, unprivileged user to escalate privileges or cause a...

CVE-2021-23134

CVE-2021-23134 is a Linux kernel NFC LLCP use-after-free in nfc sockets (pre-5.12.4). The issue arises from refcount handling during bind/connect fixes, enabling a local attacker with CAP_NET_RAW to trigger a crash or memory corruption. A related CVE discussion confirms the fix: after nfc_llcp_lo...

CVE-2020-8647

Summary of CVE-2020-8647: A use-after-free? No — it is an MMIO out-of-bounds access in the vgacon driver (vt.c, vc_do_resize) of the Linux kernel, reported in the Debian/AlmaLinux advisories as CVE-2020-8647. Impact stated in Debian entries includes potential denial of service, memory corruption,...

CVE-2019-15292

CVE-2019-15292 is a vulnerability in the Linux kernel before 5.0.9 involving a use-after-free in the Appletalk subsystem (atalk_proc_exit), related to the files net/appletalk/atalk_proc.c, net/appletalk/ddp.c, and net/appletalk/sysctl_net_atalk.c. The issue is documented in multiple connected Nes...

CVE-2019-15926

CVE-2019-15926 targets the Linux kernel up to version 5.2.2, with an out-of-bounds access in the Marvell/ ath6kl wireless driver: the functions ath6kl_wmi_pstream_timeout_event_rx and ath6kl_wmi_cac_event_rx in drivers/net/wireless/ath/ath6kl/wmi.c. The connected Nessus entries confirm the flaw e...

CVE-2019-15538

CVE-2019-15538 affects the Linux kernel component fs/xfs/xfs_iops.c: xfs_setattr_nonsize, with the issue present in kernels up to 5.2.9. The vulnerability arises when a chgrp operation fails due to out-of-disk-quota conditions, causing XFS to partially wedge and fail to unlock ILOCK after the xfs...

CVE-2021-43976

CVE-2021-43976 affects the Linux kernel, specifically the Marvell mwifiex_usb_recv() function in drivers/net/wireless/marvell/mwifiex/usb.c. A local attacker with access to a crafted USB device can trigger a denial of service (skb_over_panic). The advisory notes the vulnerability exists in kernel...

CVE-2016-7117

CVE-2016-7117 describes a use-after-free in the Linux kernel’s __sys_recvmmsg() within net/socket.c, affecting kernel versions prior to 4.5.2. An attacker could trigger the corruption via a mishandled recvmmsg system call during error processing, enabling remote execution of arbitrary code. The v...

CVE-2019-9213

CVE-2019-9213 : Linux kernel mmap minimum address check in mm/mmap.c is insufficient, enabling a NULL pointer dereference exploit on platforms without SMAP/PAN. Affected: kernels before 4.20.14. Mitigation: upgrade to 4.20.14 or later (see ChangeLog-4.20.14; USN-3931-2).

CVE-2020-26541

CVE-2020-26541 : Local attacker can bypass the Secure Boot Forbidden Signature Database (dbx) protection in Linux kernels up to 5.8.13, affecting certs/blacklist.c and certs/system_keyring.c. Impact involves potential system integrity/confidentiality compromise. Connected sources confirm the issu...

CVE-2021-21781

CVE-2021-21781 is a local-information-disclosure vulnerability in the Linux kernel’s ARM SIGPAGE handling, where SIGPAGE may not be fully initialised and can leak kernel memory contents when read by a userland process. Affected: Linux kernel ARM SIGPAGE implementation (v5.4.66/v5.4.54) with fixes...

CVE-2019-15217

The CVE-2019-15217 entry concerns a NULL pointer dereference in the Linux kernel before 5.2.3, triggered by a malicious USB device via the zr364xx USB driver (drivers/media/usb/zr364xx/zr364xx.c). The issue can lead to a denial of service on a physical USB attack vector. Public references indicat...

CVE-2020-1749

CVE-2020-1749 describes a flaw in the Linux kernel’s IPsec networking implementation (notably VXLAN and GENEVE tunnels over IPv6). When an encrypted tunnel is established between two hosts, tunneled data may be misrouted over the encrypted link, causing data to be sent unencrypted and potentially...

CVE-2020-25643

CVE-2020-25643 affects the Linux kernel HDLC_PPP module via improper input validation in ppp_cp_parse_cr, causing memory corruption and a read overflow that can lead to system crash or DoS. Public advisories confirm this vulnerability and reference the same root cause, with mitigations proposed a...

CVE-2023-23455

CVE-2023-23455 affects the Linux kernel’s ATM traffic control path: atm_tc_enqueue in net/sched/sch_atm.c up to version 6.1.4 is vulnerable to a type confusion that can misclassify values, enabling a local denial-of-service. Public reports describe the issue without details on exploits beyond DoS...

CVE-2022-3028

CVE-2022-3028 describes a race condition in the Linux kernel’s IP framework (XFRM) where concurrent calls to xfrm_probe_algs can cause an out-of-bounds read that may be copied into a socket, or an out-of-bounds write, enabling a local attacker to leak kernel memory or crash the kernel. Connected ...

CVE-2021-3655

CVE-2021-3655 is a Linux kernel SCTP vulnerability (present in kernels prior to affected fixes) where missing size validations on inbound SCTP packets may allow reading uninitialized memory. The initial description and connected advisories confirm the issue exists in the Linux kernel SCTP impleme...

CVE-2019-11833

The CVE-2019-11833 vulnerability affects the ext4 filesystem implementation in the Linux kernel (extents.c) where the code path for an extent tree block does not zero out an unused memory region. This could allow a local attacker to read uninitialized kernel memory and disclose information. The i...

CVE-2020-26147

CVE-2020-26147: Linux kernel 5.8.9 vulnerability where fragmented frames reassembly can occur with plaintext fragments under WEP/CCMP/GCMP, allowing packet injection or selective fragment exfiltration. Connected advisories indicate fixes are provided via updated kernels (e.g., ALAS2KERNEL advisor...

CVE-2020-29374

CVE-2020-29374 affects the Linux kernel and was fixed in 5.7.3. It concerns the get_user_pages (gup) implementation used for copy-on-write pages: when handling read operations, it may grant unintended write access, risking information disclosure or data corruption (COW cross-process leakage). Sev...

CVE-2020-29569

CVE-2020-29569 describes a use-after-free in the Linux kernel PV block backend (blkback) when Xen is used, where the kernel thread handler may not reset ring->xenblkd to NULL if the frontend toggles between connect/disconnect, allowing a misbehaving guest to trigger a dom0 crash. The issue aff...

CVE-2022-30594

The CVE-2022-30594 issue affects the Linux kernel prior to 5.17.2, where the PTRACE_SEIZE path could bypass the PT_SUSPEND_SECCOMP restrictions and allow a local attacker to bypass seccomp-related restrictions. Connected advisories (Astra Linux, AlmaLinux advisories) confirm the same vulnerabilit...

CVE-2023-4133

CVE-2023-4133 affects the Linux kernel cxgb4 driver; root cause is a use-after-free during detachment when flower_stats_timer is rearmed on the work queue, which can cause local denial of service by crashing the system. The MiracleLinux advisory AXSA:2024-8139:15 references CVE-2023-4133 among af...

CVE-2024-56703

CVE-2024-56703 (Linux kernel) describes a vulnerability in IPv6 path selection (fib6_select_path) where concurrent deletions of nodes in fib6_siblings can cause infinite loops leading to soft lockups and watchdog-triggered panics on high next-hop churn. The issue occurs during traversal of a mult...

CVE-2019-15220

CVE-2019-15220 affects the Linux kernel prior to 5.2.1 and involves a use-after-free in the p54usb.c driver caused by a malicious USB device. The issue can lead to a denial of service via kernel memory corruption when a vulnerable USB device is connected to drivers/net/wireless/intersil/p54. The ...

CVE-2020-12352

CVE-2020-12352 corresponds to an issue in the Linux Bluetooth stack (BlueZ) where improper access control may allow an unauthenticated user with adjacent access to trigger information disclosure. The description and connected sources indicate this is a local/adjacent-network risk without user int...

CVE-2022-0516

CVE-2022-0516 affects the KVM for s390 in the Linux kernel, specifically the arch/s390/kvm/kvm-s390.c function kvm_s390_guest_sida_op. The vulnerability allows a local user with normal privileges to obtain unauthorized memory write access due to an insufficient check in the KVM s390x release_agen...